Average Fuel Economy Calculator
Total distance divided by total fuel. Miles/gallons gives MPG; km/litres gives km/L.
Results and explanation
Enter your inputs to get started.
Numbers are processed locally. Results use floating-point arithmetic and up to 10 significant digits. List fields accept commas, spaces or line breaks.
How to use this calculator
Divide total distance by total fuel used. Keep distance and fuel units consistent across trips.
Worked example
Driving 300 miles on 10 gallons gives 30 MPG; 300 km on 10 litres gives 30 km/L.
Check the units and assumptions before using your result. Explore related calculators or read our statistics guides.